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Kanwei Li
412f24d567
- Fix issue with trying to treat binary data as unicode trackster: - Make BAM use summary tree - Refactor converter code
1 line
17 KiB
JavaScript
1 line
17 KiB
JavaScript
var DEBUG=false;var DENSITY=1000,FEATURE_LEVELS=10,DATA_ERROR="There was an error in indexing this dataset.",DATA_NOCONVERTER="A converter for this dataset is not installed. Please check your datatypes_conf.xml file.",DATA_NONE="No data for this chrom/contig.",DATA_PENDING="Currently indexing... please wait",DATA_LOADING="Loading data...",CACHED_TILES_FEATURE=10,CACHED_TILES_LINE=30,CACHED_DATA=20,CONTEXT=$("<canvas></canvas>").get(0).getContext("2d"),RIGHT_STRAND,LEFT_STRAND;var right_img=new Image();right_img.src="../images/visualization/strand_right.png";right_img.onload=function(){RIGHT_STRAND=CONTEXT.createPattern(right_img,"repeat")};var left_img=new Image();left_img.src="../images/visualization/strand_left.png";left_img.onload=function(){LEFT_STRAND=CONTEXT.createPattern(left_img,"repeat")};var right_img_inv=new Image();right_img_inv.src="../images/visualization/strand_right_inv.png";right_img_inv.onload=function(){RIGHT_STRAND_INV=CONTEXT.createPattern(right_img_inv,"repeat")};var left_img_inv=new Image();left_img_inv.src="../images/visualization/strand_left_inv.png";left_img_inv.onload=function(){LEFT_STRAND_INV=CONTEXT.createPattern(left_img_inv,"repeat")};function commatize(b){b+="";var a=/(\d+)(\d{3})/;while(a.test(b)){b=b.replace(a,"$1,$2")}return b}var Cache=function(a){this.num_elements=a;this.clear()};$.extend(Cache.prototype,{get:function(b){var a=this.key_ary.indexOf(b);if(a!=-1){this.key_ary.splice(a,1);this.key_ary.push(b)}return this.obj_cache[b]},set:function(b,c){if(!this.obj_cache[b]){if(this.key_ary.length>=this.num_elements){var a=this.key_ary.shift();delete this.obj_cache[a]}this.key_ary.push(b)}this.obj_cache[b]=c;return c},clear:function(){this.obj_cache={};this.key_ary=[]}});var Drawer=function(){};$.extend(Drawer.prototype,{intensity:function(b,a,c){},});drawer=new Drawer();var View=function(b,d,c,a){this.vis_id=c;this.dbkey=a;this.title=d;this.chrom=b;this.tracks=[];this.label_tracks=[];this.max_low=0;this.max_high=0;this.center=(this.max_high-this.max_low)/2;this.zoom_factor=3;this.zoom_level=0;this.track_id_counter=0};$.extend(View.prototype,{add_track:function(a){a.view=this;a.track_id=this.track_id_counter;this.tracks.push(a);if(a.init){a.init()}a.container_div.attr("id","track_"+a.track_id);this.track_id_counter+=1},add_label_track:function(a){a.view=this;this.label_tracks.push(a)},remove_track:function(a){a.container_div.fadeOut("slow",function(){$(this).remove()});delete this.tracks[a]},update_options:function(){var b=$("ul#sortable-ul").sortable("toArray");var d=[];var c=$("#viewport > div").sort(function(g,f){return b.indexOf($(g).attr("id"))>b.indexOf($(f).attr("id"))});$("#viewport > div").remove();$("#viewport").html(c);for(var e in view.tracks){var a=view.tracks[e];if(a.update_options){a.update_options(e)}}},reset:function(){this.low=this.max_low;this.high=this.max_high;this.center=this.center=(this.max_high-this.max_low)/2;this.zoom_level=0;$(".yaxislabel").remove()},redraw:function(f){this.span=this.max_high-this.max_low;var d=this.span/Math.pow(this.zoom_factor,this.zoom_level),b=this.center-(d/2),e=b+d;if(b<0){b=0;e=b+d}else{if(e>this.max_high){e=this.max_high;b=e-d}}this.low=Math.floor(b);this.high=Math.ceil(e);this.center=Math.round(this.low+(this.high-this.low)/2);this.resolution=Math.pow(10,Math.ceil(Math.log((this.high-this.low)/200)/Math.LN10));this.zoom_res=Math.pow(FEATURE_LEVELS,Math.max(0,Math.ceil(Math.log(this.resolution,FEATURE_LEVELS)/Math.log(FEATURE_LEVELS))));$("#overview-box").css({left:(this.low/this.span)*$("#overview-viewport").width(),width:Math.max(12,((this.high-this.low)/this.span)*$("#overview-viewport").width())}).show();$("#low").val(commatize(this.low));$("#high").val(commatize(this.high));if(!f){for(var c=0,a=this.tracks.length;c<a;c++){if(this.tracks[c].enabled){this.tracks[c].draw()}}for(var c=0,a=this.label_tracks.length;c<a;c++){this.label_tracks[c].draw()}}},zoom_in:function(a,b){if(this.max_high===0||this.high-this.low<30){return}if(a){this.center=a/b.width()*(this.high-this.low)+this.low}this.zoom_level+=1;this.redraw()},zoom_out:function(){if(this.max_high===0){return}if(this.zoom_level<=0){this.zoom_level=0;return}this.zoom_level-=1;this.redraw()}});var Track=function(a,b){this.name=a;this.parent_element=b;this.init_global()};$.extend(Track.prototype,{init_global:function(){this.header_div=$("<div class='track-header'>").text(this.name);this.content_div=$("<div class='track-content'>");this.container_div=$("<div></div>").addClass("track").append(this.header_div).append(this.content_div);this.parent_element.append(this.container_div)},init_each:function(c,b){var a=this;a.enabled=false;a.data_queue={};a.tile_cache.clear();a.data_cache.clear();a.content_div.css("height","30px");a.content_div.text(DATA_LOADING);a.container_div.removeClass("nodata error pending");if(a.view.chrom){$.getJSON(data_url,c,function(d){if(!d||d==="error"){a.container_div.addClass("error");a.content_div.text(DATA_ERROR)}else{if(d==="no converter"){a.container_div.addClass("error");a.content_div.text(DATA_NOCONVERTER)}else{if((d.data&&d.data.length===0)||d==="no data"){a.container_div.addClass("nodata");a.content_div.text(DATA_NONE)}else{if(d==="pending"){a.container_div.addClass("pending");a.content_div.text(DATA_PENDING);setTimeout(function(){a.init()},5000)}else{a.content_div.text("");a.content_div.css("height",a.height_px+"px");a.enabled=true;b(d);a.draw()}}}}})}else{a.container_div.addClass("nodata");a.content_div.text(DATA_NONE)}}});var TiledTrack=function(){};$.extend(TiledTrack.prototype,Track.prototype,{draw:function(){var i=this.view.low,e=this.view.high,f=e-i,d=this.view.resolution;if(DEBUG){$("#debug").text(d+" "+this.view.zoom_res)}var k=$("<div style='position: relative;'></div>");this.content_div.children(":first").remove();this.content_div.append(k);var l=this.content_div.width()/f;var h;var a=Math.floor(i/d/DENSITY);while((a*DENSITY*d)<e){var j=this.content_div.width()+"_"+this.view.zoom_level+"_"+a;var c=this.tile_cache.get(j);if(c){var g=a*DENSITY*d;var b=(g-i)*l;if(this.left_offset){b-=this.left_offset}c.css({left:b});k.append(c);this.max_height=Math.max(this.max_height,c.height())}else{this.delayed_draw(this,j,i,e,a,d,k,l)}a+=1}},delayed_draw:function(c,e,a,f,b,d,g,h){setTimeout(function(){if(!(a>c.view.high||f<c.view.low)){tile_element=c.draw_tile(d,b,g,h);if(tile_element){c.tile_cache.set(e,tile_element);c.max_height=Math.max(c.max_height,tile_element.height());c.content_div.css("height",c.max_height+"px")}}},50)}});var LabelTrack=function(a){Track.call(this,null,a);this.track_type="LabelTrack";this.hidden=true;this.container_div.addClass("label-track")};$.extend(LabelTrack.prototype,Track.prototype,{draw:function(){var c=this.view,d=c.high-c.low,g=Math.floor(Math.pow(10,Math.floor(Math.log(d)/Math.log(10)))),a=Math.floor(c.low/g)*g,e=this.content_div.width(),b=$("<div style='position: relative; height: 1.3em;'></div>");while(a<c.high){var f=(a-c.low)/d*e;b.append($("<div class='label'>"+commatize(a)+"</div>").css({position:"absolute",left:f-1}));a+=g}this.content_div.children(":first").remove();this.content_div.append(b)}});var LineTrack=function(c,a,b){this.track_type="LineTrack";Track.call(this,c,$("#viewport"));TiledTrack.call(this);this.height_px=100;this.container_div.addClass("line-track");this.dataset_id=a;this.data_cache=new Cache(CACHED_DATA);this.tile_cache=new Cache(CACHED_TILES_LINE);this.prefs={min_value:undefined,max_value:undefined,mode:"line"};if(b.min_value!==undefined){this.prefs.min_value=b.min_value}if(b.max_value!==undefined){this.prefs.max_value=b.max_value}if(b.max_value!==undefined){this.prefs.mode=b.mode}};$.extend(LineTrack.prototype,TiledTrack.prototype,{init:function(){var a=this,b=a.view.tracks.indexOf(a);a.vertical_range=undefined;this.init_each({stats:true,chrom:a.view.chrom,low:null,high:null,dataset_id:a.dataset_id},function(c){data=c.data;if(isNaN(parseFloat(a.prefs.min_value))||isNaN(parseFloat(a.prefs.max_value))){a.prefs.min_value=data.min;a.prefs.max_value=data.max;$("#track_"+b+"_minval").val(a.prefs.min_value);$("#track_"+b+"_maxval").val(a.prefs.max_value)}a.vertical_range=a.prefs.max_value-a.prefs.min_value;a.total_frequency=data.total_frequency;$("#linetrack_"+b+"_minval").remove();$("#linetrack_"+b+"_maxval").remove();var e=$("<div></div>").addClass("yaxislabel").attr("id","linetrack_"+b+"_minval").text(a.prefs.min_value);var d=$("<div></div>").addClass("yaxislabel").attr("id","linetrack_"+b+"_maxval").text(a.prefs.max_value);d.css({position:"relative",top:"25px"});d.prependTo(a.container_div);e.css({position:"relative",top:a.height_px+55+"px"});e.prependTo(a.container_div)})},get_data:function(d,b){var c=this,a=b*DENSITY*d,f=(b+1)*DENSITY*d,e=d+"_"+b;if(!c.data_queue[e]){c.data_queue[e]=true;$.ajax({url:data_url,dataType:"json",data:{chrom:this.view.chrom,low:a,high:f,dataset_id:this.dataset_id,resolution:this.view.resolution},success:function(g){data=g.data;c.data_cache.set(e,data);delete c.data_queue[e];c.draw()},error:function(h,g,i){console.log(h,g,i)}})}},draw_tile:function(o,q,c,e){if(this.vertical_range===undefined){return}var r=q*DENSITY*o,a=DENSITY*o,b=$("<canvas class='tile'></canvas>"),u=o+"_"+q;if(!this.data_cache.get(u)){this.get_data(o,q);return}var t=this.data_cache.get(u);b.css({position:"absolute",top:0,left:(r-this.view.low)*e});b.get(0).width=Math.ceil(a*e);b.get(0).height=this.height_px;var n=b.get(0).getContext("2d"),k=false,l=this.prefs.min_value,g=this.prefs.max_value,m=this.vertical_range,s=this.total_frequency,d=this.height_px;n.beginPath();if(t.length>1){var f=Math.ceil((t[1][0]-t[0][0])*e)}else{var f=10}for(var p=0;p<t.length;p++){var j=t[p][0]-r;var h=t[p][1];if(this.prefs.mode=="intensity"){if(h===null){continue}j=j*e;if(h<=l){h=l}else{if(h>=g){h=g}}h=255-Math.floor((h-l)/m*255);n.fillStyle="rgb("+h+","+h+","+h+")";n.fillRect(j,0,f,30)}else{if(h===null){k=false;continue}else{j=j*e;if(h<=l){h=l}else{if(h>=g){h=g}}h=Math.round(d-(h-l)/m*d);if(k){n.lineTo(j,h)}else{n.moveTo(j,h);k=true}}}}n.stroke();c.append(b);return b},gen_options:function(n){var a=$("<div></div>").addClass("form-row");var h="track_"+n+"_minval",k="track_"+n+"_maxval",e="track_"+n+"_mode",l=$("<label></label>").attr("for",h).text("Min value:"),b=(this.prefs.min_value===undefined?"":this.prefs.min_value),m=$("<input></input>").attr("id",h).val(b),g=$("<label></label>").attr("for",k).text("Max value:"),j=(this.prefs.max_value===undefined?"":this.prefs.max_value),f=$("<input></input>").attr("id",k).val(j),d=$("<label></label>").attr("for",e).text("Display mode:"),i=(this.prefs.mode===undefined?"line":this.prefs.mode),c=$('<select id="'+e+'"><option value="line" id="mode_line">Line</option><option value="intensity" id="mode_intensity">Intensity</option></select>');$("#"+e+" #mode_"+i).attr("selected","selected");return a.append(l).append(m).append(g).append(f).append(d).append(c)},update_options:function(d){var a=$("#track_"+d+"_minval").val(),c=$("#track_"+d+"_maxval").val(),b=$("#track_"+d+"_mode option:selected").val();if(a!==this.prefs.min_value||c!==this.prefs.max_value||b!=this.prefs.mode){this.prefs.min_value=parseFloat(a);this.prefs.max_value=parseFloat(c);this.prefs.mode=b;this.vertical_range=this.prefs.max_value-this.prefs.min_value;$("#linetrack_"+d+"_minval").text(this.prefs.min_value);$("#linetrack_"+d+"_maxval").text(this.prefs.max_value);this.tile_cache.clear();this.draw()}}});var FeatureTrack=function(c,a,b){this.track_type="FeatureTrack";Track.call(this,c,$("#viewport"));TiledTrack.call(this);this.height_px=100;this.container_div.addClass("feature-track");this.dataset_id=a;this.zo_slots={};this.show_labels_scale=0.001;this.showing_details=false;this.vertical_detail_px=10;this.vertical_nodetail_px=3;this.default_font="9px Monaco, Lucida Console, monospace";this.left_offset=200;this.inc_slots={};this.data_queue={};this.s_e_by_tile={};this.tile_cache=new Cache(CACHED_TILES_FEATURE);this.data_cache=new Cache(20);this.prefs={block_color:"black",label_color:"black",show_counts:true};if(b.block_color!==undefined){this.prefs.block_color=b.block_color}if(b.label_color!==undefined){this.prefs.label_color=b.label_color}if(b.show_counts!==undefined){this.prefs.show_counts=b.show_counts}};$.extend(FeatureTrack.prototype,TiledTrack.prototype,{init:function(){var a=this,b=a.view.max_low+"_"+a.view.max_high;this.init_each({low:a.view.max_low,high:a.view.max_high,dataset_id:a.dataset_id,chrom:a.view.chrom,resolution:this.view.resolution},function(c){a.data_cache.set(b,c);a.draw()})},get_data:function(a,d){var b=this,c=a+"_"+d;if(!b.data_queue[c]){b.data_queue[c]=true;$.getJSON(data_url,{chrom:b.view.chrom,low:a,high:d,dataset_id:b.dataset_id,resolution:this.view.resolution},function(e){b.data_cache.set(c,e);delete b.data_queue[c];b.draw()})}},incremental_slots:function(a,g,c){if(!this.inc_slots[a]){this.inc_slots[a]={};this.inc_slots[a].w_scale=1/a;this.s_e_by_tile[a]={}}var m=this.inc_slots[a].w_scale,u=[],h=0,b=$("<canvas></canvas>").get(0).getContext("2d"),n=this.view.max_low;var d,f,w=[];for(var r=0,s=g.length;r<s;r++){var e=g[r],l=e[0];if(this.inc_slots[a][l]!==undefined){h=Math.max(h,this.inc_slots[a][l]);w.push(this.inc_slots[a][l])}else{u.push(r)}}for(var r=0,s=u.length;r<s;r++){var e=g[u[r]];l=e[0],feature_start=e[1],feature_end=e[2],feature_name=e[3];d=Math.floor((feature_start-n)*m);if(!c){d-=b.measureText(feature_name).width}f=Math.ceil((feature_end-n)*m);var q=0;while(true){var o=true;if(this.s_e_by_tile[a][q]!==undefined){for(var p=0,v=this.s_e_by_tile[a][q].length;p<v;p++){var t=this.s_e_by_tile[a][q][p];if(f>t[0]&&d<t[1]){o=false;break}}}if(o){if(this.s_e_by_tile[a][q]===undefined){this.s_e_by_tile[a][q]=[]}this.s_e_by_tile[a][q].push([d,f]);this.inc_slots[a][l]=q;h=Math.max(h,q);break}q++}}return h},draw_tile:function(R,h,m,ae){var z=h*DENSITY*R,X=(h+1)*DENSITY*R,w=DENSITY*R;var ac,ad,p;var Y=z+"_"+X;var ac=this.data_cache.get(Y);if(!ac){this.data_queue[[z,X]]=true;this.get_data(z,X);return}if(ac.dataset_type=="array_tree"){p=30}else{var P=(ac.extra_info==="no_detail");var af=(P?this.vertical_nodetail_px:this.vertical_detail_px);p=this.incremental_slots(this.view.zoom_res,ac.data,P)*af+15;m.parent().css("height",Math.max(this.height_px,p)+"px");ad=this.inc_slots[this.view.zoom_res]}var a=Math.ceil(w*ae),F=$("<canvas class='tile'></canvas>"),T=this.prefs.label_color,f=this.prefs.block_color,J=this.left_offset;F.css({position:"absolute",top:0,left:(z-this.view.low)*ae-J});F.get(0).width=a+J;F.get(0).height=p;var t=F.get(0).getContext("2d");t.fillStyle=this.prefs.block_color;t.font=this.default_font;t.textAlign="right";var C=55,W=255-C,g=W*2/3;if(ac.dataset_type=="summary_tree"){var L=ac.data;var v=ac.max;var l=ac.avg;if(ac.data.length>2){var b=Math.ceil((L[1][0]-L[0][0])*ae)}else{var b=50}for(var aa=0,s=L.length;aa<s;aa++){var N=Math.ceil((L[aa][0]-z)*ae);var M=L[aa][1];if(!M){continue}var E=Math.floor(W-(M/v)*W);t.fillStyle="rgb("+E+","+E+","+E+")";t.fillRect(N+J,0,b,20);if(this.prefs.show_counts){if(E>g){t.fillStyle="black"}else{t.fillStyle="#ddd"}t.textAlign="center";t.fillText(L[aa][1],N+J+(b/2),12)}}m.append(F);return F}var ac=ac.data;var Z=0;for(var aa=0,s=ac.length;aa<s;aa++){var G=ac[aa],D=G[0],ab=G[1],O=G[2],A=G[3];if(ab<=X&&O>=z){var Q=Math.floor(Math.max(0,(ab-z)*ae)),u=Math.ceil(Math.min(a,(O-z)*ae)),K=ad[D]*af;if(P){t.fillRect(Q+J,K+5,u-Q,1)}else{var r=G[4],I=G[5],S=G[6],e=G[7];var q,U,B=null,ag=null;if(I&&S){B=Math.floor(Math.max(0,(I-z)*ae));ag=Math.ceil(Math.min(a,(S-z)*ae))}if(ab>z){t.fillStyle=T;t.fillText(A,Q-1+J,K+8);t.fillStyle=f}if(e){if(r){if(r=="+"){t.fillStyle=RIGHT_STRAND}else{if(r=="-"){t.fillStyle=LEFT_STRAND}}t.fillRect(Q+J,K,u-Q,10);t.fillStyle=f}for(var Y=0,d=e.length;Y<d;Y++){var n=e[Y],c=Math.floor(Math.max(0,(n[0]-z)*ae)),H=Math.ceil(Math.min(a,(n[1]-z)*ae));if(c>H){continue}q=5;U=3;t.fillRect(c+J,K+U,H-c,q);if(B!==undefined&&!(c>ag||H<B)){q=9;U=1;var V=Math.max(c,B),o=Math.min(H,ag);t.fillRect(V+J,K+U,o-V,q)}}}else{q=9;U=1;t.fillRect(Q+J,K+U,u-Q,q);if(G.strand){if(G.strand=="+"){t.fillStyle=RIGHT_STRAND_INV}else{if(G.strand=="-"){t.fillStyle=LEFT_STRAND_INV}}t.fillRect(Q+J,K,u-Q,10);t.fillStyle=prefs.block_color}}}Z++}}m.append(F);return F},gen_options:function(h){var a=$("<div></div>").addClass("form-row");var d="track_"+h+"_block_color",j=$("<label></label>").attr("for",d).text("Block color:"),k=$("<input></input>").attr("id",d).attr("name",d).val(this.prefs.block_color),i="track_"+h+"_label_color",f=$("<label></label>").attr("for",i).text("Text color:"),g=$("<input></input>").attr("id",i).attr("name",i).val(this.prefs.label_color),e="track_"+h+"_show_count",c=$("<label></label>").attr("for",e).text("Show summary counts"),b=$('<input type="checkbox" style="float:left;"></input>').attr("id",e).attr("name",e).attr("checked",this.prefs.show_counts);return a.append(j).append(k).append(f).append(g).append(b).append(c)},update_options:function(d){var b=$("#track_"+d+"_block_color").val(),c=$("#track_"+d+"_label_color").val(),a=$("#track_"+d+"_show_count").attr("checked");if(b!==this.prefs.block_color||c!==this.prefs.label_color||a!=this.prefs.show_counts){this.prefs.block_color=b;this.prefs.label_color=c;this.prefs.show_counts=a;this.tile_cache.clear();this.draw()}}});var ReadTrack=function(c,a,b){FeatureTrack.call(this,c,a,b);this.track_type="ReadTrack"};$.extend(ReadTrack.prototype,TiledTrack.prototype,FeatureTrack.prototype,{}); |